Firearm trigger mechanism

Details Firearm trigger mechanism Firearm trigger mechanism

1984-06-25

1985-03-19

Bentley, Stephen C.

Ordnance

Automatic

Firing device operation or control

42 69A, F41D 1102

Patent

active

045051828

ABSTRACT:
A gun having a trigger mechanism comprising a pivotally mounted trigger (73) which is connected to rotate a pivotal sear and a reciprocal bolt carrier assembly having lugs (325) which are arranged to engage with the rear of the sear and a notch (717) in the top of the sear. Mounted on the pivotal axis of the trigger is a prop member (745) which is arranged to cooperate with an L-shaped nose (720) of the sear so that when the trigger is pulled to rotate the sear in a first direction out of engagement with the lugs (325) the prop member (745) is initially prevented from moving with the trigger by the nose (720) and when the lugs are released by the sear the sear is further rotated in the first direction by the lugs contacting the upper sear surface to free the member to move toward the trigger and under the nose (720). The prop member is then positioned under the nose (720) and thereby prevents the sear from rotating in a direction counter to said first direction until the trigger is released.

REFERENCES:
patent: 3010237 (1961-11-01), Colby
patent: 3360878 (1968-01-01), Robinson
patent: 3670442 (1972-06-01), Kennedy et al.

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